diff options
Diffstat (limited to 'Documentation/s390')
| -rw-r--r-- | Documentation/s390/CommonIO | 6 | ||||
| -rw-r--r-- | Documentation/s390/driver-model.txt | 4 | ||||
| -rw-r--r-- | Documentation/s390/kvm.txt | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index 339207d11d95..d378cba66456 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -87,6 +87,12 @@ Command line parameters compatibility, by the device number in hexadecimal (0xabcd or abcd). Device numbers given as 0xabcd will be interpreted as 0.0.abcd. +* /proc/cio_settle + + A write request to this file is blocked until all queued cio actions are + handled. This will allow userspace to wait for pending work affecting + device availability after changing cio_ignore or the hardware configuration. + * For some of the information present in the /proc filesystem in 2.4 (namely, /proc/subchannels and /proc/chpids), see driver-model.txt. Information formerly in /proc/irq_count is now in /proc/interrupts. diff --git a/Documentation/s390/driver-model.txt b/Documentation/s390/driver-model.txt index bde473df748d..ed265cf54cde 100644 --- a/Documentation/s390/driver-model.txt +++ b/Documentation/s390/driver-model.txt @@ -223,8 +223,8 @@ touched by the driver - it should use the ccwgroup device's driver_data for its private data. To implement a ccwgroup driver, please refer to include/asm/ccwgroup.h. Keep in -mind that most drivers will need to implement both a ccwgroup and a ccw driver -(unless you have a meta ccw driver, like cu3088 for lcs and ctc). +mind that most drivers will need to implement both a ccwgroup and a ccw +driver. 2. Channel paths diff --git a/Documentation/s390/kvm.txt b/Documentation/s390/kvm.txt index 6f5ceb0f09fc..85f3280d7ef6 100644 --- a/Documentation/s390/kvm.txt +++ b/Documentation/s390/kvm.txt @@ -102,7 +102,7 @@ args: unsigned long see also: include/linux/kvm.h This ioctl stores the state of the cpu at the guest real address given as argument, unless one of the following values defined in include/linux/kvm.h -is given as arguement: +is given as argument: KVM_S390_STORE_STATUS_NOADDR - the CPU stores its status to the save area in absolute lowcore as defined by the principles of operation KVM_S390_STORE_STATUS_PREFIXED - the CPU stores its status to the save area in |